src/compiler-rt/lib/builtins/arm/aeabi_uidivmod.S

   1 //===-- aeabi_uidivmod.S - EABI uidivmod implementation -------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "../assembly.h"
  11
  12 // struct { unsigned quot, unsigned rem}
  13 //        __aeabi_uidivmod(unsigned numerator, unsigned denominator) {
  14 //   unsigned rem, quot;
  15 //   quot = __udivmodsi4(numerator, denominator, &rem);
  16 //   return {quot, rem};
  17 // }
  18
  19         .syntax unified
  20         .p2align 2
  21 DEFINE_COMPILERRT_FUNCTION(__aeabi_uidivmod)
  22         push    { lr }
  23         sub     sp, sp, #4
  24         mov     r2, sp
  25         bl      SYMBOL_NAME(__udivmodsi4)
  26         ldr     r1, [sp]
  27         add     sp, sp, #4
  28         pop     { pc }
  29 END_COMPILERRT_FUNCTION(__aeabi_uidivmod)